增加开关状态

Signed-off-by: facat@lab.com <facat@lab.com>

testHasttable/powertransformer.h

@@ -7,6 +7,7 @@ class PowerTransformer:public BasicElementInfo
 public:
     explicit PowerTransformer(QObject *parent = 0);
     virtual bool parse(QXmlStreamReader& reader);
+    QString getNamingDescription();
 protected:
     QString terminalA;
     QString terminalB;